Sundwall, J. Untersuchungen über die attischen Münzen des neueren Stiles. (Helsingfors, 1907).
Studies on the Athenian coins of the newer style.
German text, 92 pages.
Available online: http://books.google.com/books/about/Untersuchungen_%C3%BCber_die_attischen_M%C3%BCnz.html?id=U70WAAAAYAAJ